Seborrhoeic Dermatitis

What it is

Seborrhoeic dermatitis is a chronic skin condition affecting oil-rich areas, such as the scalp, face and chest.

What it looks like

It presents as red, flaky skin, sometimes accompanied by greasy yellow scales, particularly around the hairline or eyebrows.

Treatment

Medicated shampoos with ketoconazole or selenium sulphide along with anti-inflammatory creams can reduce symptoms.

Seasonal Skincare

What it is

Seasonal skincare is not a fad or fiction. Changing seasons often require adjustments to your skincare routine. Winter’s cold air and indoor heating can lead to dryness, necessitating richer moisturisers and hydrating serums. This applies to not just your face but also your hands and body.

How it works

In summer, lighter formulations and additional SPF are essential to manage sweat and sun exposure. Spring may call for exfoliation to refresh dull skin, while autumn is an ideal time to repair any summer damage with soothing treatments.

Tailoring your skincare routine to the seasons helps maintain healthy, balanced skin year-round. You may also find my entry on humidity useful.

Sebum

What it is

Sebum is an oily substance produced by sebaceous glands in the skin. Its primary role is to lubricate and protect the skin and hair, keeping it moisturised and preventing it from drying out. Although it is essential for maintaining a healthy skin barrier, too much or too little can lead to various skin concerns.

Sebum is made up of a mixture of fatty acids, triglycerides, wax esters, squalene and cholesterol. It is secreted by sebaceous glands, which are located throughout the skin, particularly on the face, scalp, chest, and back. The amount produced is influenced by factors like genetics, hormones, diet and skincare habits.

How it works in skincare

Excess Sebum can lead to oily skin, clogged pores and acne.

Insufficient Sebum causes dry, tight and sensitive skin.

Balancing Sebum

Oily Skin: Use oil-free products and ingredients such as niacinamide or salicylic acid.

Dry Skin: Opt for richer moisturisers and hydrating ingredients such as hyaluronic acid.

Hormones can also influence levels of production, leading to fluctuations during puberty, menstruation, pregnancy or menopause.

Seborrhoeic Dermatitis

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